three primary colors 三元色 ; [电视] 三基色 ; 三原色
primary three-phase currents 一次三相电流
three primary color lamp 三基色灯管
Three Primary 三原彩
three-primary 三基色
Three primary color 三基色法
three primary lasers 三基色激光
In two thousand three, the government of Kenya established a program of free primary education for all children.
VOA: special.2009.08.24
This Cambridge History of Food talks about three separate primary phases in human food evolution: one beginning a million and a half years ago, another about 700,000 years ago, and then the 10,000 year ago one that I talked about just a moment ago.
剑桥饮食史》描述了,人类饮食结构演化过程中的三个不同阶段,其一,始于一百五十万年前,其二,距今约七十万年,其三,距今一万年,我们刚讨论过了
She says one slum in Nairobi,Mathari,has only about three public primary schools nearby.
VOA: special.2009.08.24
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